| Package | Description | 
|---|---|
| com.google.gwt.canvas.client | Classes for HTML Canvas 2D support. | 
| com.google.gwt.media.client | 
 Widgets for HTML Audio and Video support. | 
| com.google.gwt.user.cellview.client | The "cellview" widget set. | 
| com.google.gwt.user.client.ui | Widgets, Panels, and other user-interface classes. | 
| com.google.gwt.widget.client | Modern widgets, usually backed by Cells. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | CanvasA widget representing a <canvas> element. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | Audio
 A widget representing an <audio> element. | 
| class  | MediaBase
 A widget representing a media element. | 
| class  | Video
 A widget representing a <video> element. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractCellTable<T>Abstract base class for tabular views that supports paging and columns. | 
| class  | AbstractHasData<T> | 
| class  | CellList<T>A single column list of cells. | 
| class  | CellTable<T>A tabular view that supports paging and columns. | 
| class  | CellTreeA view of a tree. | 
| class  | DataGrid<T>A tabular view with a fixed header and footer section and a scrollable data
 section in the middle. | 
| Modifier and Type | Interface and Description | 
|---|---|
| interface  | HasFocusDeprecated. 
 Use  Focusableinstead | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AnchorA widget that represents a simple <a> element. | 
| class  | ButtonA standard push-button widget. | 
| class  | CheckBoxA standard check box widget. | 
| class  | CustomButtonCustomButton is a base button class with built in support for a set number
 of button faces. | 
| class  | DoubleBoxA ValueBox that uses  DoubleParserandDoubleRenderer. | 
| class  | FocusPanelA simple panel that makes its contents focusable, and adds the ability to
 catch mouse and keyboard events. | 
| class  | FocusWidgetAbstract base class for most widgets that can receive keyboard focus. | 
| class  | IntegerBoxA ValueBox that uses  IntegerParserandIntegerRenderer. | 
| class  | ListBoxA widget that presents a list of choices to the user, either as a list box or
 as a drop-down list. | 
| class  | LongBoxA ValueBox that uses  LongParserandLongRenderer. | 
| class  | PasswordTextBoxA text box that visually masks its input to prevent eavesdropping. | 
| class  | PushButtonA normal push button with custom styling. | 
| class  | RadioButtonA mutually-exclusive selection radio button widget. | 
| class  | ResetButtonA standard push-button widget which will automatically reset its enclosing
  FormPanelif any. | 
| class  | RichTextAreaA rich text editor that allows complex styling and formatting. | 
| class  | SimpleCheckBoxA simple checkbox widget, with no label. | 
| class  | SimpleRadioButtonA simple radio button widget, with no label. | 
| class  | SubmitButtonA standard push-button widget which will automatically submit its enclosing
  FormPanelif any. | 
| class  | SuggestBoxA  SuggestBoxis a text box or text area which displays a
 pre-configured set of selections that match the user's input. | 
| class  | TextAreaA text box that allows multiple lines of text to be entered. | 
| class  | TextBoxA standard single-line text box. | 
| class  | TextBoxBaseAbstract base class for most text entry widgets. | 
| class  | ToggleButtonA  ToggleButtonis a stylish stateful button which allows the
 user to toggle betweenupanddownstates. | 
| class  | TreeA standard hierarchical tree widget. | 
| class  | ValueBox<T>A text box able to parse its displayed value. | 
| class  | ValueBoxBase<T>Abstract base class for all text entry widgets. | 
| class  | ValueListBox<T>Implementation of  HasConstrainedValuebased on aSelectElement. | 
| Modifier and Type | Method and Description | 
|---|---|
| protected Focusable | TreeItem. getFocusable()Returns a suggested  Focusableinstance to use when this tree item
 is selected. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ButtonBase<C>Base class for buttons that supports content decoration. | 
| class  | TextButtonA button that displays text and an optional icon. | 
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